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– Check electrolyte level of all battery cells using markings on
housing.
– If electrolyte level of one or more battery cells is below MIN
marking: Renew battery.
Install in reverse sequence.
Note
♦
A bright hand-held light helps to better see the MIN and MAX
markings on the housing.
♦
If battery is difficult to see: Use a small mirror to check the
electrolyte level (shine a bright hand-held light at a right angle
onto the battery cells).
3.7.2 Battery with magic eye
WARNING
Risk of explosion if magic eye is colourless or light yellow!
♦ Do not attempt to jump-start vehicle.
♦ Do not check or charge battery.
♦ Renew battery.
The battery is located behind the luggage compartment trim.
Removal steps:
– Remove luggage compartment back panel trim ⇒ General
body repairs, interior; Rep. gr. 70 ; Luggage compartment trim
panels; Overview of fitting locations - luggage compartment
trim panels .
– Remove luggage compartment floor ⇒ General body repairs,
interior; Rep. gr. 70 ; Luggage compartment trim panels;
Overview of fitting locations - luggage compartment trim pan‐
els .
Procedure:
– Check battery housing for the following:
♦ Battery terminals are not corroded or damaged
♦ Mechanical damage to battery housing and cover, indicated
by electrolyte leakage or crystals at the damaged area
– Damaged batteries must be renewed.
– Before checking electrolyte level: Tap magic eye -arrow- care‐
fully with handle of a screwdriver.
– Read off battery electrolyte level according to colour display.
Two different results are possible:
Audi R8 2015 ➤
Maintenance - Edition 03.2016
16 3. Maintenance
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